When subtracting numbers with exponents do you subtract the exponents?

What is the probability of getting at least three heads when flipping four coins?

Nicole shared 12 stickers equally with courtney. Then courtney shared her stickers equally with Dana

Po's dog weighs 24 and 65 lb Ricky's dog weighs 42 LB how much more does Ricky's dog weigh

Rosa and Ava are playing a number game. Rosa says 15. Ava replies that the answer is 6. Rosa says 11. Ava replies that the answer is 2. Rosa says 13. Ava replies that the answer is 4. Rosa says 14. Ava is thinking. What number should Ava reply with?

What is the average speed of a bike rider who rides for 3 hours at 40km/hr and then 2 more hours at 50km/hr?

Two trains leave the station at the same time, one heading west and the other east. The westbound train travels 18 miles per hour faster than the eastbound train.

Enguun earns $17 dollars per hour tutoring student-athletes at Brooklyn University a. If Enguun tutored for 19.5 hours last month, how much money did she earn last month?

One side of a triangle is twice another. The third side is 8 inches and the perimeter of 26 inches. How long is each side?

A new sidewalk will be 6 feet wide, 100 feet long, and filled in a debt of 9 inches with concrete. How many cubic yards of concrete are needed?

Zahra compares two wireless data plans Which equation gives the correct value of n the number of GB for which Plans A and B cost the same (G8 means 'gigabytes of data) Wireless Plan A No initiate fee and 8$ for each GB Wireless Plan B $20 for the